According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..